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Lord Fin Tube-SA335 P91 Finned Pipe

What is SA335 P91 Finned Pipe?

SA335 P91 is a type of alloy steel pipe that is commonly used in high-temperature applications such as power generation plants. Finned pipe refers to a pipe that has fins attached to the outside surface, which helps to increase the surface area of the pipe and improve heat transfer efficiency. Therefore, SA335 P91 finned pipe is a type of alloy steel pipe with fins attached to the outside surface, which is used in high-temperature applications where efficient heat transfer is critical.

Whats the advantages of SA335 P91 Finned Pipe?

1. Improved heat transfer efficiency: The fins on the outside of the pipe increase the surface area, which improves heat transfer efficiency and allows for more efficient heat exchange.

2. Increased strength: SA335 P91 alloy steel is known for its high strength and resistance to corrosion, which makes it ideal for use in high-temperature applications.

3. Longer lifespan: The combination of SA335 P91 alloy steel and the fins on the outside of the pipe make SA335 P91 finned pipe more durable and able to withstand harsh environments, resulting in a longer lifespan compared to other types of pipes.

4. Cost-effective: SA335 P91 finned pipe can be a cost-effective solution for high-temperature applications because it allows for more efficient heat transfer, which can result in lower energy costs over time.

Typical SA335 P91 finned pipe size:

Part

Coil

Coil

Pipe Material

SA 335 P91

SA 335 P91

Pipe Diameter (mm)

73.0

73.0

Wall Thickness (mm)

9.53

9.53

Fin Material

TP409

TP409

Fin Height (mm)

11

10

Fin Thickness (mm)

1.3

1.3

Fin Density (fins/m)

197

175

Pipe Segment Length (m)

11.95

11.95

Pipe Finned Length (m)

11.81

11.81

Quantity

500 segments

320 segments

Total Length of Pipe (m)

5,975.00

3,824.00

Whats the fin type of SA335 P91 finned pipe?

SA335 P91 finned pipe can be manufactured with HFW (High Frequency Welding) solid fins or HFW serrated fins. 

HFW solid fins are flat fins that are welded to the outside surface of the pipe using high-frequency welding. This type of fin provides good heat transfer efficiency and is commonly used in applications where the temperature difference between the fluid inside the pipe and the surrounding environment is relatively small.

HFW serrated fins, on the other hand, have a serrated or toothed edge that runs along the length of the fin. This type of fin provides a larger surface area for heat transfer, which makes it more efficient than solid fins. HFW serrated fins are often used in high-temperature applications where efficient heat transfer is critical.

Both HFW solid and serrated fins can be used on SA335 P91 finned pipe, depending on the specific requirements of the application.

SA335 P91 finned pipe

SA335 P91 finned pipe

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